About Bournens
Bournens is a Swiss municipality located in the canton of Vaud (VD), at 46.609° latitude and 6.564° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Bournens, Bournens benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Bournens
The climate in Bournens is characteristic of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Bournens and neighboring municipalities.
On this page you will find the detailed weather forecast for Bournens: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Bournens: 1991–2020 normals
In Bournens (565 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.7 °C). About 1007 mm of precipitation falls per year, peaking in August (100 mm) with a minimum in February (58 mm). The sun shines for about 1921 hours a year, mostly in July (255 h). On average there are 61 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.3 °C and the absolute minimum −7.6 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 1.7 °C | 10.8 °C | −7.6 °C | 69 | 73 | 15 | 0 |
| Feb | 2.3 °C | 12.6 °C | −7.3 °C | 58 | 102 | 14 | 0 |
| Mar | 5.7 °C | 17.6 °C | −4.4 °C | 61 | 164 | 9 | 0 |
| Apr | 9.4 °C | 21.9 °C | −1.3 °C | 72 | 189 | 3 | 0 |
| May | 13.5 °C | 26.4 °C | 3.1 °C | 98 | 203 | 0 | 4 |
| Jun | 17.3 °C | 29.8 °C | 6.6 °C | 98 | 237 | 0 | 12 |
| Jul | 19.2 °C | 31.3 °C | 8.9 °C | 92 | 255 | 0 | 18 |
| Aug | 18.7 °C | 30.3 °C | 8.3 °C | 100 | 239 | 0 | 16 |
| Sep | 14.6 °C | 25.1 °C | 4.7 °C | 87 | 197 | 0 | 3 |
| Oct | 10.4 °C | 20.6 °C | 1.0 °C | 98 | 132 | 1 | 0 |
| Nov | 5.5 °C | 15.4 °C | −3.3 °C | 84 | 79 | 6 | 0 |
| Dec | 2.4 °C | 11.4 °C | −6.6 °C | 89 | 51 | 12 | 0 |
| Year | 10.1 °C | 31.3 °C | −7.6 °C | 1007 | 1921 | 61 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Pully (13 km, 456 m), Mathod (14 km, 435 m), Bullet / La Frétaz (26 km, 1205 m), adjusted to the elevation of Bournens (565 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Bournens:
- Weather Boussens
- Weather Bettens
- Weather Sullens
- Weather Penthaz
- Weather Daillens
- Weather Penthalaz
- Weather Etagnières
- Weather Cheseaux-sur-Lausanne
- Weather Mex (VD)
- Weather Lussery-Villars
- Weather Saint-Barthélemy (VD)
- Weather Oulens-sous-Echallens
Frequently asked questions about weather in Bournens
What is the weather in Bournens today?
At the top of the page you will find the current temperature, precipitation and wind in Bournens, updated in real time.
What is the 15-day forecast for Bournens?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Bournens.
Will it rain tomorrow in Bournens?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Bournens.
What is the air quality in Bournens?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Bournens.
Are there weather alerts for Bournens?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Bournens located?
Bournens sits at around 565 m above sea level in the canton of Vaud. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Bournens?
The warmest month in Bournens is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.7 °C.
How much does it rain in Bournens per year?
Bournens receives about 1007 mm of precipitation a year. The wettest month is August (100 mm), the driest February (58 mm).
When is the best time to visit Bournens?
For warmth and sunshine: July (19.2 °C on average, 255 h of sun). The coldest month is January (1.7 °C). Check the 15-day forecast above for your dates.